Preprints
https://doi.org/10.5194/cpd-5-965-2009
https://doi.org/10.5194/cpd-5-965-2009
13 Mar 2009
 | 13 Mar 2009
Status: this preprint was under review for the journal CP. A revision for further review has not been submitted.

Comparison of simulated and observed vegetation for the mid-Holocene in Europe

S. Brewer, L. François, R. Cheddadi, J.-M. Laurent, and E. Favre

Abstract. Past climates provide a testing bed for the predictive ability of general circulation models. A number of studies have been performed for periods where the climate forcings are relatively different from the present and there is a good coverage of data. For one of these periods, the mid-Holocene (6 ka before present), models and data show a good match over northern Europe, but disagree over the south, where the data show cooler summers and winters and more humid conditions. Understanding the reasons for this disagreement is important given the expected vulnerability of the region under scenarios of future change. We present here a set of different past climate scenarios and sensitivity studies with a global vegetation model in order to try and understand this disagreement. The results show that the vegetation changes can be explained by a combination of both increased precipitation, and a reduction in the length of the growing season, controlled by a reduction in winter temperatures. The matching simulated circulation patterns support the hypothesis of increased westerly flow over this region.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
S. Brewer, L. François, R. Cheddadi, J.-M. Laurent, and E. Favre
 
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
 
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
S. Brewer, L. François, R. Cheddadi, J.-M. Laurent, and E. Favre
S. Brewer, L. François, R. Cheddadi, J.-M. Laurent, and E. Favre

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